Semiconductor

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Effective masses of GaAs-lattice-matched InGaAsP, using k.p method or else?

Dear community, For numerical simulations, I need the effective masses of electrons, light & heavy holes, and split-off carriers, in GaAs-lm InGaAsP. Alternatively, I am considering using...

30 November 2020 6,170 3 View

I would like to know how to add a metallic layer (introduce these parameters) between semiconductor layers in the AMPS-1D software ?

how to enter the parameters of a metal layer in the AMPS-1D software

20 November 2020 4,091 1 View

How to reduce pH of a liquid solution?

Hello, Everyone! I am working on TiO2 composites and our prepared materials solution has a pH of 13 which is totally basic, and the process of pH value decrement is too slow could any please...

12 November 2020 7,833 10 View

Electric field inside a biased N-type uniformly doped semiconductor?

What does the profile of electric field look like in a uniformly doped N-type semiconductor when an external voltage of 'V' volt is applied? Please provide any reference material if possible.

07 November 2020 2,324 8 View

Is linear E-k dispersion relationship possible in semiconductor?

Linear means E increases linearly from k>0 & k

05 October 2020 4,707 3 View

Is there any reason for electrical conductivity of semiconductor to increase with passage of time?

I am observing an increase in electrical conductivity of my semiconducting material with time, i.e I had tested my samples and initially it gave some value and when I retested the same sample with...

05 October 2020 8,755 4 View

In most of perovskite solar cell SCAPS simulation, Why does the value of donar density used to keep zero?

Perovskite is an Intrinsic semiconductor which comprised equal no.of hole and electrons concestration under thermal equilibrium condition. However in most of the perovskite solar cell SCAPS...

01 October 2020 1,274 5 View

Looking for shelf life data on CH3I?

Looking for data on CH3I shelf life data for a semiconductor grade product 99.5% purity

25 September 2020 8,419 1 View

What should be the minimum and maximum dopant concentration to achieve best photocatalytic activity of any semiconductor?

I am working on modifying the band structure of TiO2 semiconductor for visible light photocatalytic activity. For this reason, I would like to dope the metal and/or nonmetal ions into the TiO2 to...

24 September 2020 1,490 6 View

Could anybody tell me what is the electronic affinity and charge carrier mobility of the ZnSSe semiconductor?

ZnS+ZnSe = ZnSSe alloy, or Even methods of how to calculate these parameters are welcomed.

24 September 2020 5,301 3 View

Asked a question in ZnO ?

I am looking to improve conductivity or transmittance by co-doping ZnO with Sn and? I did a little research following the literature but I did not find the best co_doping of ZnO by Sn with other...

22 September 2020 2,385 6 View

Why I can not see the peaks of drug dissolved in the polymer film with FTIR?

I have prepared PLGA films once without drug, the other with 5% of Diclofenac Sodium, by dissolving the Drug in the ethyl acetate solvent and casting the film. For the both films I got the same...

16 September 2020 8,383 4 View

What is the difference between p-n and type-II heterojunctions?

In a p-n heterojunction under internal electric field, the photogenerated electrons and holes will transfer to the n-type semiconductor and the p-type one, respectively. It can be assigned to the...

13 September 2020 6,693 8 View

Asked a question in SnO2 ?

The edge positions of the valence band (VB) and conduction band (CB) of semiconductors at the point of zero charge can be calculated with the following equations : EVB = X–Ee + 0.5 Eg ECB =...

07 September 2020 9,079 2 View

What is a good reading on determination of electronic bands of semiconductor?

I am a looking for step-by-step, clear and rigorous explanations of methodologies to compute electronic bands of semiconductors (GaAs for example) by solving the Schrodinger equation with the...

07 September 2020 501 3 View

Can excess doping in a p-type semiconductor produce enough internal electric field exhibit Franz-Keldysh effect leading to band tailing?

Can excess doping produce enough internal electric field in a p-type semiconductor to exhibit Franz-Keldysh effect leading to band tailing? What could be the nature of such internal electric...

31 August 2020 8,494 2 View

What is the model equation between resistivity and temperature of a extrinsic semiconductor?

Can anyone Tell me what is the model relation between resistivity and the temperature for a extrinsic semiconductor. Kindly provide with summarized clarification & model equation between...

31 August 2020 6,465 11 View

What the difference between the interaction of electromagnetic radiation with metals and semiconductor?

what the difference between the interaction of electromagnetic radiation with metals and semiconductor?

31 August 2020 9,674 4 View

How to calculate the dissipated power in a semiconductor?

If I am dealing with a simple conductor that follows Ohm's law I can take the dissipated electrical power for a DC current running through the conductor as P = U*I. However, I think that this...

31 August 2020 5,062 4 View

Asked a question in ZnO ?

I want to increase the conductivity of ZnO by co-doping. What are the co-doping couples to improve the conductivity of ZnO?

31 August 2020 9,701 11 View

How to recovery IPA from semiconductor industries wastewater?

Is there any other new technologies or new methods to extract IPA from wastewater instead of distillation and salting out method?

21 August 2020 9,967 2 View

What is the mechanism of Burstein - Moss blue shift in heavily doped p-type INDIRECT BAND semiconductor?

What is the mechanism of Burstein - Moss blue shift in heavily doped p-type INDIRECT BAND semiconductor? Initially in p - type semiconductor, the Fermi level is closer to valence band. Due to...

21 August 2020 761 4 View

Carrier lifetime calculation from Time-Resolved Photo-luminescence Spectroscopy Data?

Hello Everyone, I am working on lead free perovskite solar cells. I am interested to calculate charge carrier lifetime from time resolved photo-luminescence spectroscopy (TRPL). Kindly guide me...

20 August 2020 4,525 4 View

Can a wider bandgap material affect the LDOS of a semiconductor?

Can a wider bandgap nanoparticle or a molecule with a larger HOMO-LUMO energy gap increase/decrease the LDOS of a semiconductor with a smaller bandgap especially near the Fermi level? The...

15 August 2020 4,405 2 View

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